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US2214485A Expired / Lapsed US ⏱️ 0.0 years remaining

Gear lubrication apparatus

Assignee: Westinghouse Electric Corp
•
Filing: 1939-03-23
•
Granted: 1940-09-10
•
Expires: 1959-03-23
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Abstract

No abstract record available.

Inventors

  • 👤 Short Ira

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:51
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/04; F16H57/042; F16H57/0421; F16H57/0456; F16H57/0458; F16H57/048; F16H57/0493; F16N; F16N7/00; F16N7/30; F16N7/32; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2186

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1943-09-10 1944-03-11 1944-09-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-09-10 1948-03-11 1948-09-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-09-10 1952-03-11 1952-09-10 $7700.00 Window Closed / Lapsed

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